package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo6 {
    public static void main(String[] args) {
        try (Connection connection = DButil.getConnection()) {
            Statement statement = connection.createStatement();
            String sql = "SELECT t.name,t.salary,c.name,c.floor " +
                    "FROM teacher t " +
                    "JOIN class c ON t.id = c.teacher_id " +
                    "WHERE t.name = '王克晶' ";
            ResultSet rs = statement.executeQuery(sql);
            while(rs.next()){
                String tName = rs.getString("t.name");
                int tSalary = rs.getInt("t.salary");
                String cName  = rs.getString("c.name");
                int cFloor = rs.getInt("c.floor");
                System.out.println("教师姓名："+tName+", 工资："+tSalary+", 所带班级："+cName+", 所在楼层"+cFloor);
                String line = String.join(",",tName,tSalary+"",cName,cFloor+"");
                System.out.println(line);
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
